The heater core comes out from under the dash. It's pretty complicated. Go to the auto parts store and get a repair manual for your vehicle. Chilton shows 2.5 to 3 hours for an experienced properly equipped mechanic. Personally I would not tackle that job without a looking at the procedure in a repair manual first. It will save you a lot of time an grief. Both the Haynes and Chilton manuals are very easy to follow. Mike

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You will need to take the dashboard apart and then take all of the heating duct off. Unhook the 2 hoses to the engine cooling system in the engine bay. Then take the duct apart to take the heater core out . After all that just take everything back together. It,s a big job for sure!!!

there is a small hose in the middle of the fire wall where your a/c runoff gose through if it is clogged it leak into the car. just clear it out. if your heater core is bad youll smile antifreeze when you put your defroster on and mist will go on the windshield

there is a Temperature Door and an Actuator that controls that door. I've also seen the knob crack, so make sure the knob is turning the temp control switch. I hop you didnt replace the core for no heat.

I had to replace the heater core in my wifes 1997 grandam. It is really not that hard. It took me just under three hours. Drain the coolant,jack up the car (use jack stands) Remove the two heater hoses at the fire wall, be sure and remove the rubber turn down drain adapter that is to the right of the heater hoses. Remove the left and right under dash panels, I can not remmeber how many screw ther are but there are a few, be sure and find and remove all of them. You should not have to pry very hard to remove the case. Hold the heater core in the upper case up in it's place and wiggle the lower case out. It is kind of a tight fit but not that hard to get out. Once the lower case is out remove the heater core by pulling it to the rear to clear the fire wall and remove the assembly. Replace in reverse order. Hope this helps.

its either the hose,or the heater core.
the core can crack where the pipes meet the core and
if you can smell antifreeze in the car and the windshield fogs,it is the core....the hose can also crack on the inside of the firewall and get misdiagnosed as a heater core.
big job,the dash has to come out

there is no easy way to change out a heater core...you have to take the bottom part of the dash loose and that takes some doing. once you get the bottom of the dash apart you will see the heater core.then you have to go under the hood and unhook both water lines that run to it, you should then be able to pull the heater core out and install the new one

Basically you pop the hood and to the very back left corner, you will see two hoses going into a box looking thing against the firewall. You will see numerous bolts and screws. You must tear that apart to get to the heater core. First step is unclamping the two hoses. Once you've done that and gotten to the heater core its just like changing a radiator except smaller. You have to undo from the supports and hoses etc.... Somewhat simple, however lengthy and tedious. (May get really frustrating!)